# Flat belt 16 × 1.5 for Ø40 and Ø80 pulleys at 150 mm (loop drawn on the pulleys)

> How long is this flat belt?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/flat-belt-16x1-5-pulleys-40-80-c150/ · JSON: https://xemstudio.com/api/geometry?object=flat-belt-16x1-5-pulleys-40-80-c150 · Plain text: https://xemstudio.com/objects/flat-belt-16x1-5-pulleys-40-80-c150/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files Xem Studio Design License (free to use and sell from, not to redistribute as files: https://xemstudio.com/license/)
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 83.0 | 213.0 | 16.0 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Open flat belt 16 × 1.5 mm on Ø40 and Ø80 pulleys 150 mm apart: inside length 491.17 mm.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| width × thickness | 16 × 1.5 mm |
| inside length | 491.17 mm |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 23: figure, his text and an animation](https://507movements.com/mm_023.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/weighted-belt-tightener-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-80-c150/index.json · license: https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-80-c150/LICENSE.md

- flat-belt-16x1-5-pulleys-40-80-c150: [STEP](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-80-c150/flat-belt-16x1-5-pulleys-40-80-c150.step) · [STL](https://xemstudio.com/files/hardware/flat-belt-16x1-5-pulleys-40-80-c150/flat-belt-16x1-5-pulleys-40-80-c150.stl) — belt loop, z 2..18

## Questions

**How long is this flat belt?**

Open flat belt 16 × 1.5 mm on Ø40 and Ø80 pulleys 150 mm apart: inside length 491.17 mm.

## Fits with

- [Weighted belt tightener: pulley on a slide pulled by a hanging weight](https://xemstudio.com/objects/weighted-belt-tightener-mechanism/)